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| author | Joseph Myers <joseph@codesourcery.com> | 2013-07-02 14:55:32 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2013-07-02 14:55:32 +0000 |
| commit | 77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5 (patch) | |
| tree | 84727a1d5b17bbfe868ef2246e59bffc98f57495 /soft-fp/double.h | |
| parent | 1413c693d3390e02399a0042ef97b73918749977 (diff) | |
| download | glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.tar glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.tar.gz glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.tar.bz2 glibc-77f01ab5d1d2eead1bd4a9135d6a76ebd3fe21e5.zip | |
Implement fma in soft-fp.
Diffstat (limited to 'soft-fp/double.h')
| -rw-r--r-- | soft-fp/double.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/soft-fp/double.h b/soft-fp/double.h index 759c2eb661..8653f69138 100644 --- a/soft-fp/double.h +++ b/soft-fp/double.h @@ -36,8 +36,10 @@ #if _FP_W_TYPE_SIZE < 64 #define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE) +#define _FP_FRACTBITS_DW_D (4 * _FP_W_TYPE_SIZE) #else #define _FP_FRACTBITS_D _FP_W_TYPE_SIZE +#define _FP_FRACTBITS_DW_D (2 * _FP_W_TYPE_SIZE) #endif #define _FP_FRACBITS_D 53 @@ -59,6 +61,11 @@ #define _FP_OVERFLOW_D \ ((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE) +#define _FP_WFRACBITS_DW_D (2 * _FP_WFRACBITS_D) +#define _FP_WFRACXBITS_DW_D (_FP_FRACTBITS_DW_D - _FP_WFRACBITS_DW_D) +#define _FP_HIGHBIT_DW_D \ + ((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_D - 1) % _FP_W_TYPE_SIZE) + typedef float DFtype __attribute__((mode(DF))); #if _FP_W_TYPE_SIZE < 64 @@ -149,6 +156,7 @@ union _FP_UNION_D #define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y) #define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X) #define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q) +#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,2,4,R,X,Y,Z) #define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un) #define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y) @@ -160,6 +168,8 @@ union _FP_UNION_D #define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2(X) #define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2(X) +#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_4(X) + #else union _FP_UNION_D @@ -246,6 +256,7 @@ union _FP_UNION_D #define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y) #define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X) #define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q) +#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,1,2,R,X,Y,Z) /* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by the target machine. */ @@ -260,4 +271,6 @@ union _FP_UNION_D #define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1(X) #define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1(X) +#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_2(X) + #endif /* W_TYPE_SIZE < 64 */ |